The Levels tab adjusts audio and signal levels.
In order not to overload the audio a USB Mod level of about 25 is highly recommended.

Controls
- USB Mod Level: Sets USB modulation level (0-100).
- USB AF Output Level: Adjusts USB audio output (0-100).
- RF Gain Level: Controls receiver sensitivity (0-100).
- RF Power Level: Sets transmission power (0-100).
- Squelch Level: Suppresses noise (0-100).
- NR Level: Reduces noise (0-100).
Use the sliders to adjust each level; values update in real-time.